Date: Sun, 27 Dec 2015 23:08:53 +0100 From: Edward Tomasz =?utf-8?Q?Napiera=C5=82a?= <trasz@FreeBSD.org> To: Navdeep Parhar <np@FreeBSD.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r292740 - in head/sys: dev/cxgbe/cxgbei modules/cxgbe modules/cxgbe/cxgbei Message-ID: <20151227220853.GA1364@brick.home> In-Reply-To: <201512260605.tBQ65LXL002774@repo.freebsd.org> References: <201512260605.tBQ65LXL002774@repo.freebsd.org>
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On 1226T0605, Navdeep Parhar wrote: > Author: np > Date: Sat Dec 26 06:05:21 2015 > New Revision: 292740 > URL: https://svnweb.freebsd.org/changeset/base/292740 > > Log: > cxgbei: Hardware accelerated iSCSI target and initiator for TOE capable > cards supported by cxgbe(4). > > On the host side this driver interfaces with the storage stack via the > ICL (iSCSI Common Layer) in the kernel. On the wire the traffic is > standard iSCSI (SCSI over TCP as per RFC 3720/7143 etc.) that > interoperates with all other standards compliant implementations. The > driver is layered on top of the TOE driver (t4_tom) and promotes > connections being handled by t4_tom to iSCSI ULP (Upper Layer Protocol) > mode. Hardware assistance in this mode includes: > > - Full TCP processing. > - iSCSI PDU identification and recovery within the TCP stream. > - Header and/or data digest insertion (tx) and verification (rx). > - Zero copy (both tx and rx). > > Man page will follow in a separate commit in a couple of weeks. Thank you! :-)
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